CWmi::Connect(): ConnectServer(Namespace) failed. – 0x800706ba
This error is because the SCCM Client uses Dynamic RPC connections for WMI (the DCOM RPC uses callback for the event receipt which chooses random ports 1024-65534.)
|
Description |
UDP |
TCP |
|
Server Message Block (SMB) between the site server and client computer.
|
— |
445 |
|
RPC endpoint mapper between the site server and the client computer.
|
135 |
135 |
|
RPC dynamic ports between the site server and the client computer.
|
— |
DYNAMIC |
|
Hypertext Transfer Protocol (HTTP) from the client computer to a management point when the connection is over HTTP.
|
— |
80
|
|
Secure Hypertext Transfer Protocol (HTTPS) from the client computer to a management point when the connection is over HTTPS. |
— |
443 |